Hi Vincent, On Wed, Dec 27, 2023 at 06:59:12PM -0800, Vincent Li wrote: > Hi, > > When I make the bpf-next master branch bpf selftests, which failed > with error below, seems related to commit 02b4e126e6 bpf: selftests: > test_tunnel: Use vmlinux.h declarations ? > > CLNG-BPF [test_maps] test_tunnel_kern.bpf.o > > progs/test_tunnel_kern.c:30:13: error: declaration of 'struct > bpf_fou_encap' will not be visible outside of this function > [-Werror,-Wvisibility] > > struct bpf_fou_encap *encap, int type) __ksym; > > ^ > > progs/test_tunnel_kern.c:32:13: error: declaration of 'struct > bpf_fou_encap' will not be visible outside of this function > [-Werror,-Wvisibility] > > struct bpf_fou_encap *encap) __ksym; > > ^ > > progs/test_tunnel_kern.c:741:23: error: variable has incomplete type > 'struct bpf_fou_encap' [...] Do you have CONFIG_NET_FOU enabled? I think you'll need that for test_tunnel to build correctly. BPF CI enables this. tools/testing/selftests/bpf/config has it set to =y. Thanks, Daniel
